List some features of the Mississippi River that make it such a special piece of
America.

The Mississippi River is 2,340 miles long.

The Great River Road was created in 1938.

The Great River Road runs through about 110 counties and parishes.

In the year A.D. 1250, the ancient metropolis of Cahokia, Illinois, was home to more people than London

Explanation:

the colonial period, since this was a time of mass immigration from a variety of people from europe.